Fla*gel"lum (?), n.; pl. E. Flagellums (#), L. Flagella (#). [L., a whip. See Flagellate, v. t.]
1. Bot.
A young, flexible shoot of a plant; esp., the long trailing branch of a vine, or a slender branch in certain mosses.
2. Zool. (a)
A long, whiplike cilium. See Flagellata.
(b)
An appendage of the reproductive apparatus of the snail.
(c)
A lashlike appendage of a crustacean, esp. the terminal ortion of the antennae and the epipodite of the maxilipeds. See Maxilliped.
© Webster 1913.